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A three phase synchronous generator operates onto a grid bus of voltage 33 kv (line to line). The armature reactance of the machine is 2 ohms per phase and the leakage reactance is 3 ohms per phase. The magnitude of the generator equals the magnitude of the bus voltage. The machine delivers 36 MW to the grid? Find
a). The power angle (delta)
b). phase current, magnitude and phase relative to V1
c). magnitude and direction of reactive power.
d). draw the equivalent circuit of the machine and the phasor-vector diagram listing all details like constant power loci of I1, and the constant power loci of Ef
A pair of synchronous machines, on the same shaft, may be used to generate power at 60 Hz from the given source of power at 50 Hz. Determine the minimum number of poles that the individual machines
1)Convert the binary number (0.1000)2 to decimal. 2)The number (17)10 represented as an unsigned, 6-bit binary number is 3)The number (-25)10 in 6-bit sign magnitude format is 4)The number (32)10 in 6-bit 2's complement is
Point charge 1.5{\rm \mu C} is located at x = 0, y = 0.30 {\rm m}, point charge -1.5{\rm \mu C} is located at x = 0 y = -0.30 {\rm m}. What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point..
Compare and contrast transmit and receive diversity. Describe how each diversity type lead to an improvement in system performance.
The Boston Celtics have won 16 NBA championships over approximately 50 years. Thus it may seem reasonable to assume that in a given year the Celtics win the title with probability p=0.32, independent of any other year.
How do we determine the overall gain of a cascaded system of AV1, AV2, and AV3 in dB, in absolute What do we do if all the gains are given in dB, absolute and dB
Titan has numerous hydrocarbon lakes containing a mix of methane and ethane in unknown proportions. A small submersible vehicle will exlpore Kraken Mare, the largest lake.
Given 01110110110100011001101111110000 base 2, determine in base: a) Decimal b)Hexadecimal
How many years ago was the desired ration of recreation land per 1,000 population exceeded if no more land was acquired and the population continued to grow at the indicated rate
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter How much modulating signal power is needed to produce 100 percent modulation
A charged particle starts from rest at the origin of coordinates in a region where there is a uniform electric field E parallel to the x-axis, and a uniform magnetic flux density B parallel to the z-axis. Show that the coordinates of the particle ..
Find the characteristics equation and the corresponding roots for the following ODEs and identify its case a) y" + 6Y' + 9y=0 b) 10y" + 18y' +5.6y=0 c) 10y" + 50y' + 65y =0 Slove the intial value problem a) problem 2a) with y(0)=2 and y'(0)=-5
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